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The ROBERT BOSCH TOOL GROUP HCBG0405T is a 3/16-inch carbide hammer drill bit from the BluGranite Turbo series, sold in a 5-pack. Measuring 6 inches in overall length with a 4-inch flute length and 0.1875-inch hex shank diameter, this bit is engineered for demanding masonry applications. The hex shank is impact-rated, making it compatible with both hammer drills and impact drivers. Bosch-made carbide construction and a four-grind head deliver durability and cutting efficiency well above standard masonry bits, according to manufacturer specifications. Licensed tradespeople and experienced DIYers working in concrete, brick, and block will find this bit designed for sustained heavy-load performance.
The HCBG0405T is suited for residential and commercial masonry work where accurate, fast drilling is required. The multi-grind carbide centering tip allows for precise starts in brick, mortar, and similar masonry substrates. Milled U-flutes with deep-cut spirals move debris out of the hole quickly, reducing heat buildup and extending bit life. Its impact-rated hex shank gives electricians, plumbers, HVAC techs, and general contractors the flexibility to run it in a standard hammer drill or an impact driver without a separate adapter.
Designed for use in hammer drills and impact drivers that accept a hex shank; suitable for drilling into brick, concrete, block, and general masonry substrates.
Installation of this bit is typically performed by HVAC technicians, plumbers, electricians, and general contractors during anchoring, fastening, or penetration work in masonry walls and slabs. Ensure the tool is set to hammer-drill mode when working in concrete or block; impact-driver mode is appropriate for lighter masonry only. Always wear appropriate eye and respiratory protection when drilling masonry. Follow applicable OSHA silica-dust control guidelines when cutting concrete or similar substrates.
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